Home / 12,042.56-16,620.54-6,937.13

Finding the Fourth Proportional to 12,042.56, 16,620.54 and 6,937.13

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Solution

The fourth proportional to 12,042.56, 16,620.54 and 6,937.13 is: 9,574.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,042.56 : 16,620.54 = 6,937.13 : x
  2. Step 2: Convert to fraction form
    12,042.56/16,620.54 = 6,937.13/x
  3. Step 3: Cross multiply
    12,042.56x = 16,620.54 × 6,937.13
  4. Step 4: Simplify right side
    12,042.56x = 115,298,846.65
  5. Step 5: Solve for x
    x = 115,298,846.65/12,042.56
  6. Step 6: Final answer
    x = 9,574.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.